Giải hệ phương trình \(\left\{ \begin{array}{l}
2{x^2} - 5xy + 2{y^2} = 0\\
2{x^2} - {y^2} = 7
\end{array} \right..\)

A \(\left( {-2;\,\,1} \right),\,\,\left( {1;\,\, 2} \right)\)

B \(\left( {1;\,\,2} \right),\,\,\left( {1;\,\, - 2} \right)\)

C \(\left( {-1;\,\,2} \right),\,\,\left( {1;\,\, - 2} \right)\)

D \(\left( {1;\,\,2} \right),\,\,\left( {-1;\,\, - 2} \right)\)